Prep2012-Pack1-SC-039 VSC001708 Medium D In his experiments with gravity, IsaacNewton showed how the motion of each planet in the solar system results fromthe combined gravitational pull of the Sun and of all the other planets,each contributing according to their mass and distance from the others. A. of all the other planets, each contributingaccording to their B. of all the other planets, with each of themcontributing according to their C. all the other planets, each of whichcontributing according to its D. all the other planets, each contributingaccording to its E. all the other planets, each of whichcontribute according to their 这个题目正确答案选择D,但是我对于C中那个each of which不理解,解释说C中contributing语法错误,为什么啊?each是独立主格,后加非谓语动词,那么each of which呢?如果也是独立主格结构,那么后面可以接contributing的吧,如果不是,而是个独立的句子,那和前面的句子就不可以直接用逗号链接呢呀!诶。。。。感觉很晕眩,求大神大牛给个解答!谢谢!
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